shallow, superficial
このプールは水が浅いので、子供でも安心です。
This pool has shallow water, so it's safe even for children.
frivolous; shallow; superficial; flighty
中身のない_______な流行ばかりを追っていると、本当の自分を見失ってしまいます。
If you only chase shallow trends with no substance, you will lose your true self.
superficial; half-baked; half-hearted; flimsy
生半可な知識で物事を語るべきではない。
You shouldn't talk about things with superficial knowledge.
easy, simple, superficial, careless (often with a negative connotation)
安易な解決策では、根本的な問題は解決しない。
Easy solutions will not solve the fundamental problem.
sudden, abrupt, unexpected; temporary, makeshift; superficial, amateurish
俄かには信じがたいが、それは事実らしい。
It's hard to believe suddenly, but it seems to be true.
perfunctory, half-hearted, superficial, negligent
彼の謝罪はおざなりで、全く誠意が感じられなかった。
His apology was perfunctory, and I felt no sincerity at all.
軽佻浮薄
けいちょうふはく (keichōfuhaku)
N1
frivolous; light-minded; superficial; thoughtless; fickle; shallow
彼はいつも軽佻浮薄な態度で、周囲の信用を失いがちだ。
He often loses the trust of those around him due to his consistently frivolous attitude.
crude, rough, unrefined, disorganized, superficial
彼の説明は雑駁で、よく理解できなかった。
His explanation was rough, and I couldn't understand it well.